150V input, 100mA output DC/DC power supply with voltage range from 4V to 150V.
This document provides setup instructions and performance specifications for the DC1901A demonstration circuit, which features the LTC3639EMSE synchronous buck converter. The board accepts input voltages from 4V to 150V and delivers selectable output voltages of 1.8V, 3.3V, or 5V. It includes jumpers for configuration and is designed for engineering evaluation, not commercial use. The guide covers quick setup, measurement procedures, and safety precautions.
| Input Voltage Range | 4V to 150V |
|---|---|
| Output Voltage (1.8V) | 1.8V ±2% |
| Output Voltage (3.3V) | 3.3V ±2% |
| Output Voltage (5V) | 5V ±2% |
| Maximum Output Current | 100mA |
| Typical Efficiency (5V) | 87.3% |
| Typical Output Ripple (5V) | 66mV P-P |
The board accepts an input voltage between 4V and 150V.
It provides jumper-selected output voltages of 1.8V, 3.3V, and 5V.
The maximum output current is 100mA.
The typical efficiency is 87.3%.